Non-Diegetic Sound
Sound and music audible to game participants which is meant to be outside of their character's perception. Therefore, the music is "outside" of the story, or diegesis, and referred to as non-diegetic sound.
Sound and music audible to game participants which is meant to be outside of their character's perception. Therefore, the music is "outside" of the story, or diegesis, and referred to as non-diegetic sound.